Properties

Label 3663.1.bb.a
Level $3663$
Weight $1$
Character orbit 3663.bb
Analytic conductor $1.828$
Analytic rank $0$
Dimension $2$
Projective image $D_{3}$
CM discriminant -407
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3663,1,Mod(1627,3663)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3663, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 3, 3]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3663.1627");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3663 = 3^{2} \cdot 11 \cdot 37 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3663.bb (of order \(6\), degree \(2\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(1.82807514127\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\zeta_{6})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{3}\)
Projective field: Galois closure of 3.1.32967.1
Artin image: $C_6\times S_3$
Artin field: Galois closure of \(\mathbb{Q}[x]/(x^{12} - \cdots)\)

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q - \zeta_{6} q^{2} + \zeta_{6}^{2} q^{3} + q^{6} - q^{8} - \zeta_{6} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{6} q^{2} + \zeta_{6}^{2} q^{3} + q^{6} - q^{8} - \zeta_{6} q^{9} - \zeta_{6} q^{11} + \zeta_{6}^{2} q^{13} + \zeta_{6} q^{16} - 2 q^{17} + \zeta_{6}^{2} q^{18} + q^{19} + \zeta_{6}^{2} q^{22} - \zeta_{6}^{2} q^{24} - \zeta_{6} q^{25} + q^{26} + q^{27} + 2 \zeta_{6} q^{29} + q^{33} + 2 \zeta_{6} q^{34} + q^{37} - \zeta_{6} q^{38} - \zeta_{6} q^{39} + 2 \zeta_{6} q^{43} + \zeta_{6} q^{47} - q^{48} + \zeta_{6}^{2} q^{49} + \zeta_{6}^{2} q^{50} - 2 \zeta_{6}^{2} q^{51} + 2 q^{53} - \zeta_{6} q^{54} + \zeta_{6}^{2} q^{57} - 2 \zeta_{6}^{2} q^{58} - \zeta_{6} q^{61} + q^{64} - \zeta_{6} q^{66} + 2 \zeta_{6}^{2} q^{67} - q^{71} + \zeta_{6} q^{72} - \zeta_{6} q^{74} + q^{75} + \zeta_{6}^{2} q^{78} - \zeta_{6} q^{79} + \zeta_{6}^{2} q^{81} - 2 \zeta_{6}^{2} q^{86} - 2 q^{87} + \zeta_{6} q^{88} - \zeta_{6}^{2} q^{94} + q^{98} + \zeta_{6}^{2} q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - q^{2} - q^{3} + 2 q^{6} - 2 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - q^{2} - q^{3} + 2 q^{6} - 2 q^{8} - q^{9} - q^{11} - q^{13} + q^{16} - 4 q^{17} - q^{18} + 2 q^{19} - q^{22} + q^{24} - q^{25} + 2 q^{26} + 2 q^{27} + 2 q^{29} + 2 q^{33} + 2 q^{34} + 2 q^{37} - q^{38} - q^{39} + 2 q^{43} + q^{47} - 2 q^{48} - q^{49} - q^{50} + 2 q^{51} + 4 q^{53} - q^{54} - q^{57} + 2 q^{58} - q^{61} + 2 q^{64} - q^{66} - 2 q^{67} - 2 q^{71} + q^{72} - q^{74} + 2 q^{75} - q^{78} - q^{79} - q^{81} + 2 q^{86} - 4 q^{87} + q^{88} + q^{94} + 2 q^{98} - q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3663\mathbb{Z}\right)^\times\).

\(n\) \(298\) \(1333\) \(2036\)
\(\chi(n)\) \(-1\) \(-1\) \(\zeta_{6}^{2}\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1627.1
0.500000 0.866025i
0.500000 + 0.866025i
−0.500000 + 0.866025i −0.500000 0.866025i 0 0 1.00000 0 −1.00000 −0.500000 + 0.866025i 0
2848.1 −0.500000 0.866025i −0.500000 + 0.866025i 0 0 1.00000 0 −1.00000 −0.500000 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
407.d odd 2 1 CM by \(\Q(\sqrt{-407}) \)
9.c even 3 1 inner
3663.bb odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3663.1.bb.a 2
9.c even 3 1 inner 3663.1.bb.a 2
11.b odd 2 1 3663.1.bb.d yes 2
37.b even 2 1 3663.1.bb.d yes 2
99.h odd 6 1 3663.1.bb.d yes 2
333.q even 6 1 3663.1.bb.d yes 2
407.d odd 2 1 CM 3663.1.bb.a 2
3663.bb odd 6 1 inner 3663.1.bb.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3663.1.bb.a 2 1.a even 1 1 trivial
3663.1.bb.a 2 9.c even 3 1 inner
3663.1.bb.a 2 407.d odd 2 1 CM
3663.1.bb.a 2 3663.bb odd 6 1 inner
3663.1.bb.d yes 2 11.b odd 2 1
3663.1.bb.d yes 2 37.b even 2 1
3663.1.bb.d yes 2 99.h odd 6 1
3663.1.bb.d yes 2 333.q even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(3663, [\chi])\):

\( T_{2}^{2} + T_{2} + 1 \) Copy content Toggle raw display
\( T_{5} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$3$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$13$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$17$ \( (T + 2)^{2} \) Copy content Toggle raw display
$19$ \( (T - 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{2} \) Copy content Toggle raw display
$29$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$31$ \( T^{2} \) Copy content Toggle raw display
$37$ \( (T - 1)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} \) Copy content Toggle raw display
$43$ \( T^{2} - 2T + 4 \) Copy content Toggle raw display
$47$ \( T^{2} - T + 1 \) Copy content Toggle raw display
$53$ \( (T - 2)^{2} \) Copy content Toggle raw display
$59$ \( T^{2} \) Copy content Toggle raw display
$61$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$67$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$71$ \( (T + 1)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} \) Copy content Toggle raw display
$79$ \( T^{2} + T + 1 \) Copy content Toggle raw display
$83$ \( T^{2} \) Copy content Toggle raw display
$89$ \( T^{2} \) Copy content Toggle raw display
$97$ \( T^{2} \) Copy content Toggle raw display
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